Nowadays people often deal with the use of alcohol and drinks with its content.
Alcohol appeared even in ancient times. From the chemical point of view, it is ethyl alcohol - ethanol, a colorless liquid that has a specific smell and has volatile properties.
Its molecular formula is C2-H5-OH, or CH3-CH2-OH.
Other alcohols and aldehydes are surrogates of alcohol and are dangerous for the body.
Ethanol is also used for medicine.
How to recognize it - read more about this.
Alcohol is recognized by its characteristic smell. It is very specific, but not as sharp as ammonia alcohol.
You can take a chance by trying a small amountAlcohol - just a couple of drops on the tongue. You will feel the taste without a particularly pronounced flavor, but your organoleptic apparatus will experience a specific physiological effect - a burning sensation, a tingle, turning into warmth.
Pipette onto glass surface orCeramic saucer five to ten drops of alcohol and set them on fire. Observe the flame. It should be a bluish color, not particularly hot, without the emission of smoke and other visible products of combustion.
Volatile properties make it possible to determine alcoholWhen it evaporates from the surface of the skin. Take a small amount of cotton wool, moisten it with alcohol and lightly wring your fingers. Wipe with this cotton wool a small patch of skin, for example, your palm. You should feel how it is superficially cooled in a place of evaporation alcohola. This method is based on the method of reducing the elevated body temperature - alcoholAll of these steps increase the chances of determining alcohol.